#include <iostream>
#include <iomanip>
#include <string>
int main()
{
for (char c; std::cin >> std::hex >> c; )
std::cout << std::hex << static_cast<int>(c) << "\n";
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8aW9tYW5pcD4KI2luY2x1ZGUgPHN0cmluZz4KCmludCBtYWluKCkKewoJZm9yIChjaGFyIGM7IHN0ZDo6Y2luID4+IHN0ZDo6aGV4ID4+IGM7ICkKCQlzdGQ6OmNvdXQgPDwgc3RkOjpoZXggPDwgc3RhdGljX2Nhc3Q8aW50PihjKSA8PCAiXG4iOwp9